| Feature: 1: Set clear screen display with operating prompts 2: Designed for home security can freely Association. 3: Minimum setting time of 1 minute, maximum setting time of a week. 4: high conductivity copper, nickel-plated, anti-rust, heat smaller, copper structural optimization, and longer life. 5: Housing made of imported PC material flame retardant, so that higher product safety 6. Most adequate materials, longest life, lowest repair 7. The built- in the rechargeable battery as a backup power supply in case of power from the mains, and still maintain the timing of the display and storage of data for up to six months or more 8. With a rechargeable battery, | |